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Roads & Airports Department
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Mission Statement:

The mission of the Roads and Airports Department is to preserve, operate, and enhance the County's expressways, unincorporated roads, and three general aviation airports in a safe, timely and cost-effective manner to meet the needs of the traveling public.   

The County's Roads and Airports Department  operates and maintains 62 miles of expressway and 635 miles of rural and urban roadways in unincorporated areas, including 23 miles of sound walls, 168 bridges, 39 miles of carpool lanes, 164 signalized intersections, 4,500 street lights, 25,000 regulatory signs, and 2,185 drain inlets. It also operates and maintains the County's two general aviation airports at Reid-Hillview and South County — comprised of 7 miles of runways and taxiways, 145 aircraft hangars, 648 open aircraft tie-down storage spaces.

Click here to view the Santa Clara County Official Road Book, showing all road sections within the County of Santa Clara maintained roads system. Current information regarding short-term County road closures and lane restrictions is available by calling the County's HOT LINE at 408-494-1382.   


NEWS - Recent Features 

Signal at the intersection Central Expressway and Mary Avenue will be down from 6:00am to 8:00pm on Saturday 9/17/2016 due to construction work for Central and San Tomas Expressways Bicycle Signal Detection Project.

San Tomas Expressway  - Yearlong Project to Widen San Tomas Expressway from El Camino Real through Homestead Road in Santa Clara begins week of June 13. - Press Release 

Flood Preparation Information

Sand bag locations map: MUST bring your own shovel 

How to Fight Flooding at Home

Flood Safety Tip from Water District

Contact Us


101 Skyport Drive

San Jose, CA  95110

Office hours: 7:30 a.m.-4:30 p.m.